Spinal stabilization system
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United States of America Patent
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app pub date -
Jun 12, 2017
filing date -
Jan 23, 2014
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Abstract
A spinal stabilization system includes a spinal rod, a plate, a set screw, and a bone screw. The plate includes a throughhole transitionable between a collapsed and expanded configuration, and a first slot adapted to receive a spinal rod therein. The set screw includes a distal portion having threads to engage with a threaded lumen of a bone screw, and the bone screw including a head portion transitionable between a first diameter and a second diameter. The head of the bone screw insertable into the throughhole and cooperatively transitions between the first diameter and the collapsed configuration to the second diameter and expanded configuration, respectively, as the set screw advances with respect to the bone screw to lock the spinal rod into the slot of the plate in the second diameter and expanded configuration.
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